1 /* timeq.c - NeonServ v5.6
2 * Copyright (C) 2011-2012 Philipp Kreil (pk910)
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 #include "IOHandler.h"
21 static struct timeq_entry *timeq_events;
23 static int pthread_mutex_initialized = 0;
24 static pthread_mutex_t synchronized;
27 static IOHANDLER_CALLBACK(timeq_callback) {
28 struct timeq_entry *entry = event->iofd->data;
31 entry->callback(entry->data);
40 struct timeq_entry* timeq_add(int seconds, int module_id, timeq_callback_t *callback, void *data) {
41 return timeq_uadd(seconds * 1000, module_id, callback, data);
44 struct timeq_entry* timeq_uadd(int useconds, int module_id, timeq_callback_t *callback, void *data) {
45 struct timeval timeout;
46 struct timeq_entry *entry = malloc(sizeof(*entry));
49 perror("malloc() failed");
53 if(!pthread_mutex_initialized) {
54 THREAD_MUTEX_INIT(synchronized);
55 pthread_mutex_initialized = 1;
58 gettimeofday(&timeout, NULL);
59 SYNCHRONIZE(synchronized);
60 timeout.tv_usec += (useconds % 1000);
61 timeout.tv_sec += (useconds / 1000);
62 entry->iofd = iohandler_timer(timeout, timeq_callback);
63 entry->iofd->data = entry;
64 entry->module_id = module_id;
65 entry->callback = callback;
68 entry->next = timeq_events;
71 timeq_events->prev = entry;
73 DESYNCHRONIZE(synchronized);
77 struct timeq_entry* timeq_add_name(char *name, int seconds, int module_id, timeq_callback_t *callback, void *data) {
78 return timeq_uadd_name(name, seconds * 1000, module_id, callback, data);
81 struct timeq_entry* timeq_uadd_name(char *name, int useconds, int module_id, timeq_callback_t *callback, void *data) {
82 struct timeq_entry *entry = timeq_uadd(useconds, module_id, callback, data);
83 entry->name = strdup(name);
87 int timeq_del(struct timeq_entry* entry) {
89 if(!pthread_mutex_initialized) return 0;
91 SYNCHRONIZE(synchronized);
93 entry->next->prev = entry->prev;
95 entry->prev->next = entry->next;
97 timeq_events = entry->next;
101 iohandler_close(entry->iofd);
103 DESYNCHRONIZE(synchronized);
107 int timeq_del_name(char *name) {
108 SYNCHRONIZE(synchronized);
109 struct timeq_entry *entry;
111 for(entry = timeq_events; entry; entry = entry->next) {
112 if(entry->name && !stricmp(entry->name, name)) {
113 removed = timeq_del(entry);
117 DESYNCHRONIZE(synchronized);
121 int timeq_name_exists(char *name) {
122 SYNCHRONIZE(synchronized);
123 struct timeq_entry *centry;
124 for(centry = timeq_events; centry; centry = centry->next) {
125 if(centry->name && !stricmp(centry->name, name)) {
126 DESYNCHRONIZE(synchronized);
130 DESYNCHRONIZE(synchronized);
134 void unregister_module_timers(int module_id) {
135 SYNCHRONIZE(synchronized);
136 struct timeq_entry *entry, *next_entry;
137 for(entry = timeq_events; entry; entry = next_entry) {
138 next_entry = entry->next;
139 if(entry->module_id == module_id)
142 DESYNCHRONIZE(synchronized);